Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 1 | #!/usr/bin/env python |
| 2 | # Copyright 2016 the V8 project authors. All rights reserved. |
| 3 | # Use of this source code is governed by a BSD-style license that can be |
| 4 | # found in the LICENSE file. |
| 5 | ''' |
| 6 | Usage: runtime-call-stats.py [-h] <command> ... |
| 7 | |
| 8 | Optional arguments: |
| 9 | -h, --help show this help message and exit |
| 10 | |
| 11 | Commands: |
| 12 | run run chrome with --runtime-call-stats and generate logs |
| 13 | stats process logs and print statistics |
| 14 | json process logs from several versions and generate JSON |
| 15 | help help information |
| 16 | |
| 17 | For each command, you can try ./runtime-call-stats.py help command. |
| 18 | ''' |
| 19 | |
| 20 | import argparse |
| 21 | import json |
| 22 | import os |
| 23 | import re |
| 24 | import shutil |
| 25 | import subprocess |
| 26 | import sys |
| 27 | import tempfile |
| 28 | |
| 29 | import numpy |
| 30 | import scipy |
| 31 | import scipy.stats |
| 32 | from math import sqrt |
| 33 | |
| 34 | |
| 35 | # Run benchmarks. |
| 36 | |
| 37 | def print_command(cmd_args): |
| 38 | def fix_for_printing(arg): |
| 39 | m = re.match(r'^--([^=]+)=(.*)$', arg) |
| 40 | if m and (' ' in m.group(2) or m.group(2).startswith('-')): |
| 41 | arg = "--{}='{}'".format(m.group(1), m.group(2)) |
| 42 | elif ' ' in arg: |
| 43 | arg = "'{}'".format(arg) |
| 44 | return arg |
| 45 | print " ".join(map(fix_for_printing, cmd_args)) |
| 46 | |
| 47 | |
| 48 | def start_replay_server(args, sites): |
| 49 | with tempfile.NamedTemporaryFile(prefix='callstats-inject-', suffix='.js', |
| 50 | mode='wt', delete=False) as f: |
| 51 | injection = f.name |
| 52 | generate_injection(f, sites, args.refresh) |
| 53 | cmd_args = [ |
| 54 | args.replay_bin, |
| 55 | "--port=4080", |
| 56 | "--ssl_port=4443", |
| 57 | "--no-dns_forwarding", |
| 58 | "--use_closest_match", |
| 59 | "--no-diff_unknown_requests", |
| 60 | "--inject_scripts=deterministic.js,{}".format(injection), |
| 61 | args.replay_wpr, |
| 62 | ] |
| 63 | print "=" * 80 |
| 64 | print_command(cmd_args) |
| 65 | with open(os.devnull, 'w') as null: |
| 66 | server = subprocess.Popen(cmd_args, stdout=null, stderr=null) |
| 67 | print "RUNNING REPLAY SERVER: %s with PID=%s" % (args.replay_bin, server.pid) |
| 68 | print "=" * 80 |
| 69 | return {'process': server, 'injection': injection} |
| 70 | |
| 71 | |
| 72 | def stop_replay_server(server): |
| 73 | print("SHUTTING DOWN REPLAY SERVER %s" % server['process'].pid) |
| 74 | server['process'].terminate() |
| 75 | os.remove(server['injection']) |
| 76 | |
| 77 | |
| 78 | def generate_injection(f, sites, refreshes=0): |
| 79 | print >> f, """\ |
| 80 | (function() { |
| 81 | let s = window.sessionStorage.getItem("refreshCounter"); |
| 82 | let refreshTotal = """, refreshes, """; |
| 83 | let refreshCounter = s ? parseInt(s) : refreshTotal; |
| 84 | let refreshId = refreshTotal - refreshCounter; |
| 85 | if (refreshCounter > 0) { |
| 86 | window.sessionStorage.setItem("refreshCounter", refreshCounter-1); |
| 87 | } |
| 88 | |
| 89 | function match(url, item) { |
| 90 | if ('regexp' in item) return url.match(item.regexp) !== null; |
| 91 | let url_wanted = item.url; |
| 92 | // Allow automatic redirections from http to https. |
| 93 | if (url_wanted.startsWith("http://") && url.startsWith("https://")) { |
| 94 | url_wanted = "https://" + url_wanted.substr(7); |
| 95 | } |
| 96 | return url.startsWith(url_wanted); |
| 97 | }; |
| 98 | |
| 99 | function onLoad(e) { |
| 100 | let url = e.target.URL; |
| 101 | for (let item of sites) { |
| 102 | if (!match(url, item)) continue; |
| 103 | let timeout = 'timeline' in item ? 2500 * item.timeline |
| 104 | : 'timeout' in item ? 1000 * (item.timeout - 3) |
| 105 | : 10000; |
| 106 | console.log("Setting time out of " + timeout + " for: " + url); |
| 107 | window.setTimeout(function() { |
| 108 | console.log("Time is out for: " + url); |
| 109 | let msg = "STATS: (" + refreshId + ") " + url; |
| 110 | %GetAndResetRuntimeCallStats(1, msg); |
| 111 | if (refreshCounter > 0) { |
| 112 | console.log("Refresh counter is " + refreshCounter + ", refreshing: " + url); |
| 113 | window.location.reload(); |
| 114 | } |
| 115 | }, timeout); |
| 116 | return; |
| 117 | } |
| 118 | console.log("Ignoring: " + url); |
| 119 | }; |
| 120 | |
| 121 | let sites = |
| 122 | """, json.dumps(sites), """; |
| 123 | |
| 124 | console.log("Event listenner added for: " + window.location.href); |
| 125 | window.addEventListener("load", onLoad); |
| 126 | })();""" |
| 127 | |
| 128 | |
| 129 | def run_site(site, domain, args, timeout=None): |
| 130 | print "="*80 |
| 131 | print "RUNNING DOMAIN %s" % domain |
| 132 | print "="*80 |
| 133 | result_template = "{domain}#{count}.txt" if args.repeat else "{domain}.txt" |
| 134 | count = 0 |
| 135 | if timeout is None: timeout = args.timeout |
| 136 | if args.replay_wpr: |
| 137 | timeout *= 1 + args.refresh |
| 138 | timeout += 1 |
| 139 | while count == 0 or args.repeat is not None and count < args.repeat: |
| 140 | count += 1 |
| 141 | result = result_template.format(domain=domain, count=count) |
| 142 | retries = 0 |
| 143 | while args.retries is None or retries < args.retries: |
| 144 | retries += 1 |
| 145 | try: |
| 146 | if args.user_data_dir: |
| 147 | user_data_dir = args.user_data_dir |
| 148 | else: |
| 149 | user_data_dir = tempfile.mkdtemp(prefix="chr_") |
| 150 | js_flags = "--runtime-call-stats" |
| 151 | if args.replay_wpr: js_flags += " --allow-natives-syntax" |
| 152 | if args.js_flags: js_flags += " " + args.js_flags |
| 153 | chrome_flags = [ |
| 154 | "--no-default-browser-check", |
| 155 | "--disable-translate", |
| 156 | "--js-flags={}".format(js_flags), |
| 157 | "--no-first-run", |
| 158 | "--user-data-dir={}".format(user_data_dir), |
| 159 | ] |
| 160 | if args.replay_wpr: |
| 161 | chrome_flags += [ |
| 162 | "--host-resolver-rules=MAP *:80 localhost:4080, " \ |
| 163 | "MAP *:443 localhost:4443, " \ |
| 164 | "EXCLUDE localhost", |
| 165 | "--ignore-certificate-errors", |
| 166 | "--disable-seccomp-sandbox", |
| 167 | "--disable-web-security", |
| 168 | "--reduce-security-for-testing", |
| 169 | "--allow-insecure-localhost", |
| 170 | ] |
| 171 | else: |
| 172 | chrome_flags += [ |
| 173 | "--single-process", |
| 174 | ] |
| 175 | if args.chrome_flags: |
| 176 | chrome_flags += args.chrome_flags.split() |
| 177 | cmd_args = [ |
| 178 | "timeout", str(timeout), |
| 179 | args.with_chrome |
| 180 | ] + chrome_flags + [ site ] |
| 181 | print "- " * 40 |
| 182 | print_command(cmd_args) |
| 183 | print "- " * 40 |
| 184 | with open(result, "wt") as f: |
| 185 | status = subprocess.call(cmd_args, stdout=f) |
| 186 | # 124 means timeout killed chrome, 0 means the user was bored first! |
| 187 | # If none of these two happened, then chrome apparently crashed, so |
| 188 | # it must be called again. |
| 189 | if status != 124 and status != 0: |
| 190 | print("CHROME CRASHED, REPEATING RUN"); |
| 191 | continue |
| 192 | # If the stats file is empty, chrome must be called again. |
| 193 | if os.path.isfile(result) and os.path.getsize(result) > 0: |
| 194 | if args.print_url: |
| 195 | with open(result, "at") as f: |
| 196 | print >> f |
| 197 | print >> f, "URL: {}".format(site) |
| 198 | break |
| 199 | if retries <= 6: timeout += 2 ** (retries-1) |
| 200 | print("EMPTY RESULT, REPEATING RUN"); |
| 201 | finally: |
| 202 | if not args.user_data_dir: |
| 203 | shutil.rmtree(user_data_dir) |
| 204 | |
| 205 | |
| 206 | def read_sites_file(args): |
| 207 | try: |
| 208 | sites = [] |
| 209 | try: |
| 210 | with open(args.sites_file, "rt") as f: |
| 211 | for item in json.load(f): |
| 212 | if 'timeout' not in item: |
| 213 | # This is more-or-less arbitrary. |
| 214 | item['timeout'] = int(2.5 * item['timeline'] + 3) |
| 215 | if item['timeout'] > args.timeout: item['timeout'] = args.timeout |
| 216 | sites.append(item) |
| 217 | except ValueError: |
| 218 | with open(args.sites_file, "rt") as f: |
| 219 | for line in f: |
| 220 | line = line.strip() |
| 221 | if not line or line.startswith('#'): continue |
| 222 | sites.append({'url': line, 'timeout': args.timeout}) |
| 223 | return sites |
| 224 | except IOError as e: |
| 225 | args.error("Cannot read from {}. {}.".format(args.sites_file, e.strerror)) |
| 226 | sys.exit(1) |
| 227 | |
| 228 | |
| 229 | def do_run(args): |
| 230 | # Determine the websites to benchmark. |
| 231 | if args.sites_file: |
| 232 | sites = read_sites_file(args) |
| 233 | else: |
| 234 | sites = [{'url': site, 'timeout': args.timeout} for site in args.sites] |
| 235 | # Disambiguate domains, if needed. |
| 236 | L = [] |
| 237 | domains = {} |
| 238 | for item in sites: |
| 239 | site = item['url'] |
| 240 | m = re.match(r'^(https?://)?([^/]+)(/.*)?$', site) |
| 241 | if not m: |
| 242 | args.error("Invalid URL {}.".format(site)) |
| 243 | continue |
| 244 | domain = m.group(2) |
| 245 | entry = [site, domain, None, item['timeout']] |
| 246 | if domain not in domains: |
| 247 | domains[domain] = entry |
| 248 | else: |
| 249 | if not isinstance(domains[domain], int): |
| 250 | domains[domain][2] = 1 |
| 251 | domains[domain] = 1 |
| 252 | domains[domain] += 1 |
| 253 | entry[2] = domains[domain] |
| 254 | L.append(entry) |
| 255 | replay_server = start_replay_server(args, sites) if args.replay_wpr else None |
| 256 | try: |
| 257 | # Run them. |
| 258 | for site, domain, count, timeout in L: |
| 259 | if count is not None: domain = "{}%{}".format(domain, count) |
| 260 | print site, domain, timeout |
| 261 | run_site(site, domain, args, timeout) |
| 262 | finally: |
| 263 | if replay_server: |
| 264 | stop_replay_server(replay_server) |
| 265 | |
| 266 | |
| 267 | # Calculate statistics. |
| 268 | |
| 269 | def statistics(data): |
| 270 | N = len(data) |
| 271 | average = numpy.average(data) |
| 272 | median = numpy.median(data) |
| 273 | low = numpy.min(data) |
| 274 | high= numpy.max(data) |
| 275 | if N > 1: |
| 276 | # evaluate sample variance by setting delta degrees of freedom (ddof) to |
| 277 | # 1. The degree used in calculations is N - ddof |
| 278 | stddev = numpy.std(data, ddof=1) |
| 279 | # Get the endpoints of the range that contains 95% of the distribution |
| 280 | t_bounds = scipy.stats.t.interval(0.95, N-1) |
| 281 | #assert abs(t_bounds[0] + t_bounds[1]) < 1e-6 |
| 282 | # sum mean to the confidence interval |
| 283 | ci = { |
| 284 | 'abs': t_bounds[1] * stddev / sqrt(N), |
| 285 | 'low': average + t_bounds[0] * stddev / sqrt(N), |
| 286 | 'high': average + t_bounds[1] * stddev / sqrt(N) |
| 287 | } |
| 288 | else: |
| 289 | stddev = 0 |
| 290 | ci = { 'abs': 0, 'low': average, 'high': average } |
| 291 | if abs(stddev) > 0.0001 and abs(average) > 0.0001: |
| 292 | ci['perc'] = t_bounds[1] * stddev / sqrt(N) / average * 100 |
| 293 | else: |
| 294 | ci['perc'] = 0 |
| 295 | return { 'samples': N, 'average': average, 'median': median, |
| 296 | 'stddev': stddev, 'min': low, 'max': high, 'ci': ci } |
| 297 | |
| 298 | |
| 299 | def read_stats(path, S): |
| 300 | with open(path, "rt") as f: |
| 301 | # Process the whole file and sum repeating entries. |
| 302 | D = { 'Sum': {'time': 0, 'count': 0} } |
| 303 | for line in f: |
| 304 | line = line.strip() |
| 305 | # Discard headers and footers. |
| 306 | if not line: continue |
| 307 | if line.startswith("Runtime Function"): continue |
| 308 | if line.startswith("===="): continue |
| 309 | if line.startswith("----"): continue |
| 310 | if line.startswith("URL:"): continue |
| 311 | if line.startswith("STATS:"): continue |
| 312 | # We have a regular line. |
| 313 | fields = line.split() |
| 314 | key = fields[0] |
| 315 | time = float(fields[1].replace("ms", "")) |
| 316 | count = int(fields[3]) |
| 317 | if key not in D: D[key] = { 'time': 0, 'count': 0 } |
| 318 | D[key]['time'] += time |
| 319 | D[key]['count'] += count |
| 320 | # We calculate the sum, if it's not the "total" line. |
| 321 | if key != "Total": |
| 322 | D['Sum']['time'] += time |
| 323 | D['Sum']['count'] += count |
| 324 | # Append the sums as single entries to S. |
| 325 | for key in D: |
| 326 | if key not in S: S[key] = { 'time_list': [], 'count_list': [] } |
| 327 | S[key]['time_list'].append(D[key]['time']) |
| 328 | S[key]['count_list'].append(D[key]['count']) |
| 329 | |
| 330 | |
| 331 | def print_stats(S, args): |
| 332 | # Sort by ascending/descending time average, then by ascending/descending |
| 333 | # count average, then by ascending name. |
| 334 | def sort_asc_func(item): |
| 335 | return (item[1]['time_stat']['average'], |
| 336 | item[1]['count_stat']['average'], |
| 337 | item[0]) |
| 338 | def sort_desc_func(item): |
| 339 | return (-item[1]['time_stat']['average'], |
| 340 | -item[1]['count_stat']['average'], |
| 341 | item[0]) |
| 342 | # Sorting order is in the commend-line arguments. |
| 343 | sort_func = sort_asc_func if args.sort == "asc" else sort_desc_func |
| 344 | # Possibly limit how many elements to print. |
| 345 | L = [item for item in sorted(S.items(), key=sort_func) |
| 346 | if item[0] not in ["Total", "Sum"]] |
| 347 | N = len(L) |
| 348 | if args.limit == 0: |
| 349 | low, high = 0, N |
| 350 | elif args.sort == "desc": |
| 351 | low, high = 0, args.limit |
| 352 | else: |
| 353 | low, high = N-args.limit, N |
| 354 | # How to print entries. |
| 355 | def print_entry(key, value): |
| 356 | def stats(s, units=""): |
| 357 | conf = "{:0.1f}({:0.2f}%)".format(s['ci']['abs'], s['ci']['perc']) |
| 358 | return "{:8.1f}{} +/- {:15s}".format(s['average'], units, conf) |
| 359 | print "{:>50s} {} {}".format( |
| 360 | key, |
| 361 | stats(value['time_stat'], units="ms"), |
| 362 | stats(value['count_stat']) |
| 363 | ) |
| 364 | # Print and calculate partial sums, if necessary. |
| 365 | for i in range(low, high): |
| 366 | print_entry(*L[i]) |
| 367 | if args.totals and args.limit != 0: |
| 368 | if i == low: |
| 369 | partial = { 'time_list': [0] * len(L[i][1]['time_list']), |
| 370 | 'count_list': [0] * len(L[i][1]['count_list']) } |
| 371 | assert len(partial['time_list']) == len(L[i][1]['time_list']) |
| 372 | assert len(partial['count_list']) == len(L[i][1]['count_list']) |
| 373 | for j, v in enumerate(L[i][1]['time_list']): |
| 374 | partial['time_list'][j] += v |
| 375 | for j, v in enumerate(L[i][1]['count_list']): |
| 376 | partial['count_list'][j] += v |
| 377 | # Print totals, if necessary. |
| 378 | if args.totals: |
| 379 | print '-' * 80 |
| 380 | if args.limit != 0: |
| 381 | partial['time_stat'] = statistics(partial['time_list']) |
| 382 | partial['count_stat'] = statistics(partial['count_list']) |
| 383 | print_entry("Partial", partial) |
| 384 | print_entry("Sum", S["Sum"]) |
| 385 | print_entry("Total", S["Total"]) |
| 386 | |
| 387 | |
| 388 | def do_stats(args): |
| 389 | T = {} |
| 390 | for path in args.logfiles: |
| 391 | filename = os.path.basename(path) |
| 392 | m = re.match(r'^([^#]+)(#.*)?$', filename) |
| 393 | domain = m.group(1) |
| 394 | if domain not in T: T[domain] = {} |
| 395 | read_stats(path, T[domain]) |
| 396 | for i, domain in enumerate(sorted(T)): |
| 397 | if len(T) > 1: |
| 398 | if i > 0: print |
| 399 | print "{}:".format(domain) |
| 400 | print '=' * 80 |
| 401 | S = T[domain] |
| 402 | for key in S: |
| 403 | S[key]['time_stat'] = statistics(S[key]['time_list']) |
| 404 | S[key]['count_stat'] = statistics(S[key]['count_list']) |
| 405 | print_stats(S, args) |
| 406 | |
| 407 | |
| 408 | # Generate JSON file. |
| 409 | |
| 410 | def do_json(args): |
| 411 | J = {} |
| 412 | for path in args.logdirs: |
| 413 | if os.path.isdir(path): |
| 414 | for root, dirs, files in os.walk(path): |
| 415 | version = os.path.basename(root) |
| 416 | if version not in J: J[version] = {} |
| 417 | for filename in files: |
| 418 | if filename.endswith(".txt"): |
| 419 | m = re.match(r'^([^#]+)(#.*)?\.txt$', filename) |
| 420 | domain = m.group(1) |
| 421 | if domain not in J[version]: J[version][domain] = {} |
| 422 | read_stats(os.path.join(root, filename), J[version][domain]) |
| 423 | for version, T in J.items(): |
| 424 | for domain, S in T.items(): |
| 425 | A = [] |
| 426 | for name, value in S.items(): |
| 427 | # We don't want the calculated sum in the JSON file. |
| 428 | if name == "Sum": continue |
| 429 | entry = [name] |
| 430 | for x in ['time_list', 'count_list']: |
| 431 | s = statistics(S[name][x]) |
| 432 | entry.append(round(s['average'], 1)) |
| 433 | entry.append(round(s['ci']['abs'], 1)) |
| 434 | entry.append(round(s['ci']['perc'], 2)) |
| 435 | A.append(entry) |
| 436 | T[domain] = A |
| 437 | print json.dumps(J, separators=(',', ':')) |
| 438 | |
| 439 | |
| 440 | # Help. |
| 441 | |
| 442 | def do_help(parser, subparsers, args): |
| 443 | if args.help_cmd: |
| 444 | if args.help_cmd in subparsers: |
| 445 | subparsers[args.help_cmd].print_help() |
| 446 | else: |
| 447 | args.error("Unknown command '{}'".format(args.help_cmd)) |
| 448 | else: |
| 449 | parser.print_help() |
| 450 | |
| 451 | |
| 452 | # Main program, parse command line and execute. |
| 453 | |
| 454 | def coexist(*l): |
| 455 | given = sum(1 for x in l if x) |
| 456 | return given == 0 or given == len(l) |
| 457 | |
| 458 | def main(): |
| 459 | parser = argparse.ArgumentParser() |
| 460 | subparser_adder = parser.add_subparsers(title="commands", dest="command", |
| 461 | metavar="<command>") |
| 462 | subparsers = {} |
| 463 | # Command: run. |
| 464 | subparsers["run"] = subparser_adder.add_parser( |
| 465 | "run", help="run --help") |
| 466 | subparsers["run"].set_defaults( |
| 467 | func=do_run, error=subparsers["run"].error) |
| 468 | subparsers["run"].add_argument( |
| 469 | "--chrome-flags", type=str, default="", |
| 470 | help="specify additional chrome flags") |
| 471 | subparsers["run"].add_argument( |
| 472 | "--js-flags", type=str, default="", |
| 473 | help="specify additional V8 flags") |
| 474 | subparsers["run"].add_argument( |
| 475 | "--no-url", dest="print_url", action="store_false", default=True, |
| 476 | help="do not include url in statistics file") |
| 477 | subparsers["run"].add_argument( |
| 478 | "-n", "--repeat", type=int, metavar="<num>", |
| 479 | help="specify iterations for each website (default: once)") |
| 480 | subparsers["run"].add_argument( |
| 481 | "-k", "--refresh", type=int, metavar="<num>", default=0, |
| 482 | help="specify refreshes for each iteration (default: 0)") |
| 483 | subparsers["run"].add_argument( |
| 484 | "--replay-wpr", type=str, metavar="<path>", |
| 485 | help="use the specified web page replay (.wpr) archive") |
| 486 | subparsers["run"].add_argument( |
| 487 | "--replay-bin", type=str, metavar="<path>", |
| 488 | help="specify the replay.py script typically located in " \ |
| 489 | "$CHROMIUM/src/third_party/webpagereplay/replay.py") |
| 490 | subparsers["run"].add_argument( |
| 491 | "-r", "--retries", type=int, metavar="<num>", |
| 492 | help="specify retries if website is down (default: forever)") |
| 493 | subparsers["run"].add_argument( |
| 494 | "-f", "--sites-file", type=str, metavar="<path>", |
| 495 | help="specify file containing benchmark websites") |
| 496 | subparsers["run"].add_argument( |
| 497 | "-t", "--timeout", type=int, metavar="<seconds>", default=60, |
| 498 | help="specify seconds before chrome is killed") |
| 499 | subparsers["run"].add_argument( |
| 500 | "-u", "--user-data-dir", type=str, metavar="<path>", |
| 501 | help="specify user data dir (default is temporary)") |
| 502 | subparsers["run"].add_argument( |
| 503 | "-c", "--with-chrome", type=str, metavar="<path>", |
| 504 | default="/usr/bin/google-chrome", |
| 505 | help="specify chrome executable to use") |
| 506 | subparsers["run"].add_argument( |
| 507 | "sites", type=str, metavar="<URL>", nargs="*", |
| 508 | help="specify benchmark website") |
| 509 | # Command: stats. |
| 510 | subparsers["stats"] = subparser_adder.add_parser( |
| 511 | "stats", help="stats --help") |
| 512 | subparsers["stats"].set_defaults( |
| 513 | func=do_stats, error=subparsers["stats"].error) |
| 514 | subparsers["stats"].add_argument( |
| 515 | "-l", "--limit", type=int, metavar="<num>", default=0, |
| 516 | help="limit how many items to print (default: none)") |
| 517 | subparsers["stats"].add_argument( |
| 518 | "-s", "--sort", choices=["asc", "desc"], default="asc", |
| 519 | help="specify sorting order (default: ascending)") |
| 520 | subparsers["stats"].add_argument( |
| 521 | "-n", "--no-total", dest="totals", action="store_false", default=True, |
| 522 | help="do not print totals") |
| 523 | subparsers["stats"].add_argument( |
| 524 | "logfiles", type=str, metavar="<logfile>", nargs="*", |
| 525 | help="specify log files to parse") |
| 526 | # Command: json. |
| 527 | subparsers["json"] = subparser_adder.add_parser( |
| 528 | "json", help="json --help") |
| 529 | subparsers["json"].set_defaults( |
| 530 | func=do_json, error=subparsers["json"].error) |
| 531 | subparsers["json"].add_argument( |
| 532 | "logdirs", type=str, metavar="<logdir>", nargs="*", |
| 533 | help="specify directories with log files to parse") |
| 534 | # Command: help. |
| 535 | subparsers["help"] = subparser_adder.add_parser( |
| 536 | "help", help="help information") |
| 537 | subparsers["help"].set_defaults( |
| 538 | func=lambda args: do_help(parser, subparsers, args), |
| 539 | error=subparsers["help"].error) |
| 540 | subparsers["help"].add_argument( |
| 541 | "help_cmd", type=str, metavar="<command>", nargs="?", |
| 542 | help="command for which to display help") |
| 543 | # Execute the command. |
| 544 | args = parser.parse_args() |
| 545 | setattr(args, 'script_path', os.path.dirname(sys.argv[0])) |
| 546 | if args.command == "run" and coexist(args.sites_file, args.sites): |
| 547 | args.error("use either option --sites-file or site URLs") |
| 548 | sys.exit(1) |
| 549 | elif args.command == "run" and not coexist(args.replay_wpr, args.replay_bin): |
| 550 | args.error("options --replay-wpr and --replay-bin must be used together") |
| 551 | sys.exit(1) |
| 552 | else: |
| 553 | args.func(args) |
| 554 | |
| 555 | if __name__ == "__main__": |
| 556 | sys.exit(main()) |